Nagra 4.2 User Manual

NAGRA 4.2
PORTABLE ANALOGUE AUDIO
TAPE RECORDER
INSTRUCTION MANUAL *
(KSA code No. 20 04 004 151)
February 1991 Edition
Kudelski S.A.
NAGRA Tape Recorder Manufacturer
CH–1033 Cheseaux / SWITZERLAND
phone (021) 731 21 21
telex 459 302 nagr ch
telefax (021) 731 21 55
Copyright reserved for all countries
Orginally printed in Switzerland
*this is an exclusive digital reprint and may only be used by Hunter College Students

Nagra 4.2 Specifications

General

Type	Portable Tape Recorder
Tape Speed	3.75, 7.5, 15 ips (inches per second)
Signal-to-Noise Ratio	60 dB
Power Source	12V DC or AC mains
Microphone Input	XLR
Pilot Tone	Yes
Inputs	Microphone, Line
Outputs	Line
Tracks	2-track mono or stereo

Summary

Controls: Description and Use

Tape/Direct Signal Switching

Power and Function Selectors

Controls power source and main operational modes like Stop, Test, Record, and Playback.

Level Adjustment Controls

Adjusts microphone and line input/playback signal levels for optimal recording.

Modulometer Mode Selection

Filter Switch Functionality

Modulometer Overview

Speed and Power Indicator

Tape Deck Operation

Erase and Recording Heads

Pilot and Playback Heads

Capstan and Tape Path Controls

Connectors and Inputs

Microphone Inputs

Mixer Connector

Line Input Connector

Microphone Input Selector

Pilot and Clapper Inputs

Line Output

Power Pack Connector

Power Supply

Power Sources and Battery Handling

Details external supply, internal batteries, voltage requirements, and handling precautions.

Power Supply Safety Precautions

Warns about damage from reversed polarization and fuse protection.

Measuring Motor Current

External Power Connector Details

Operating the Nagra 4.2

Loading a Tape

Step-by-step instructions for threading tape onto the machine.

Recording with Microphones

Recording a Line Signal

Fast Forward and Rewind

Playing Back a Recorded Tape

Working with Headphones

Operating Precautions

Direct and Tape Signal Chains

Manual Level Control Adjustment

Limiter Functionality

Automatic Level Control (ALC)

Signal Level Measurement

Pilot Signal System

Pilot System Operation

Details on how to record and use the pilot signal.

Synchronizing Recorded Tapes

Speed Varier QSV-2

Speed Varier Use in Filming Playback

Pilot Playback (With QSLI)